City of Corning (CA)

California Authority Having Jurisdiction Solar permitting requirements

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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.

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NEC Code Version2023
Fire Code Version2018 Building Code
Wet Stamps RequiredNone
Fire Setback EnforcedYes

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

2025 CALIFORNIA BUILDING CODE

2025 CALIFORNIA ELECTRICAL CODE

2025 CALIFORNIA FIRE CODE

2025 CALIFORNIA PLUMBING CODE

2025 CALIFORNIA MECHANICAL CODE

2025 CALIFORNIA ENERGY CODE

2025 CALIFORNIA RESIDENTIAL CODE

2025 CALIFORNIA ADMINISTRATIVE CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required
3
Revision Required
No
New Planset Required For Module Swap
No

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
No
Stamp Location On Plans
N/A
Date On Stamps
N/A

Fire setbacks

Fire Setback Enforced
Yes
Setback Notes

Standard

Structural & loads

Wind Speed
999
Wind Notes

ASCE HAZARD WEBSITE

Please use ASCE 7-22 and risk category III for every project to check the wind speed, default to 85MPH if the information is not available.

Exposure Category C

Snow Load
5
Reducible Snow Load Allowed
Yes
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Line Side Taps,PV Breaker,Load Side Taps,Meter Adapter
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
No
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
Yes

Plan set

Plan Set Requirements

Fill out structural criteria form from files below for rafters only

Roof Plan

STANDARD

Electrical Diagram

Code allows the 120% on centerfed panels without a CFFS.

Custom Placards Required
No
Non Standard Revision Requirements
  • Make sure all revisions are accounted for, if 3 revisions, make sure all 3 Rev1, Rev 2, Rev 3, are all stated on revision letter

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Corning (CA) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.